.btns_wrapper {
    margin: 0.2rem 0;
    display: flex;
    justify-content: space-around;
    text-align: center;
    > * {
      padding: 0.2rem 0.6rem;
      // border: 1px solid green;
    }
  }

  @function pxToRem($n) {
    @return $n * 0.01 + rem;
  }
// 内边距
  @mixin box_sizing(){
    box-sizing: border-box;
  }
  .p_l_r_24{
    @include box_sizing();
    padding:  0 .24rem;
  }
  .p_l_r_8{
    @include box_sizing();
    padding:  0 .08rem;
  }
  .p_8{
    @include box_sizing();
    padding: .08rem;
  }
  .p_10{
    @include box_sizing();
    padding: .1rem;
  }
  .p_t_80{
    @include box_sizing();
   padding-top:.8rem; 
  }
  .p_t_82{
    @include box_sizing();
   padding-top:.82rem; 
  }
  .p_l_92{
    padding-left:.92rem; 
  }
  .p_20_32{
    @include box_sizing();
    padding: .2rem .32rem;
  }
  .p_t_23{
    @include box_sizing();
    padding-top:.23rem 
  }
  .p_t_16{
    @include box_sizing();
    padding-top:.16rem 
  }

